8946145019 has 32 divisors (see below), whose sum is σ = 10580406144. Its totient is φ = 7405240320.

The previous prime is 8946144989. The next prime is 8946145063. The reversal of 8946145019 is 9105416498.

It is a cyclic number.

It is not a de Polignac number, because 8946145019 - 2⁸ = 8946144763 is a prime.

It is a super-2 number, since 2×8946145019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8946144019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20660627 + ... + 20661059.

It is an arithmetic number, because the mean of its divisors is an integer number (330637692).

Almost surely, 2^8946145019 is an apocalyptic number.

8946145019 is a deficient number, since it is larger than the sum of its proper divisors (1634261125).

8946145019 is a wasteful number, since it uses less digits than its factorization.

8946145019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 8946145019 is about 94584.0632400617. The cubic root of 8946145019 is about 2075.9265243621.

The spelling of 8946145019 in words is "eight billion, nine hundred forty-six million, one hundred forty-five thousand, nineteen".